he was questioned six days after kevin collins disappeared. they went to question him six days after kevin disappeared. but they went back this year and tore up the floor that might link him to the boy. home is right away cross the street from kevin's old school. therrion he had a dog. lead investigator told abc7 vic lee a key detail of what two witnesses saw way back in 1984. >> we had another adult witness telling that they saw kevin in front of 1106, 1108 masonic. there was a white man there again in his 20s or 30s and had a big great dane black dog. >> during this week's search, cadaver dogs located bones in the police of that home. they say the bones could be from an animal but they went him to a crime lab just to make sure. the man they are focusing on, dan therrion, died five years ago in 2008. >> abc7 news. >>> new this morning, oakland police are investigating a shooting that killed one person and wounded another. it happened near the oakland art gallery walk last night just before 11:00. one person was found dead at the scene. the se